Suggest a possible process architecture for this system.
If a periodic process in the onboard train protection system is used to collect data from the trackside transmitter, how often must it be scheduled to ensure that the system is guaranteed to collect information from the transmitter? Explain how you arrived at your answer.
Why are general-purpose operating systems, such as Linux or Windows, not suitable as real-time system platforms? Use your experience of using a general-purpose system to help answer this question.